Revert "Added: Main menu screen and game over screen"

This reverts commit 4a8f05f0ba96efd255ce81330446da477929a87b.
Revert "Revert "Added: Main menu screen and game over screen""

This reverts commit 784e01f224a9d32403c715f2a4f45df7b03892dc.
Revert "Added: Main menu screen and game over screen"

This reverts commit 4a8f05f0ba96efd255ce81330446da477929a87b.